Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:





MnDetails
5443
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
293027379304796959669885398607832424450654958631934241912158190.92019-06-27 21:30:08
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000040830 / 40830
6026000000042849 / 105362
Estimated T-Level: 57.0 ⓘ
TF below 2^184 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShiftSoftware
FactoredUnknown53DF0Unknown,(aka U)
FactoredGeorge Woltman68E62F1CC80553DF0Woltman,Prime95,first web release,(aka W4)
FactoredBrian J. Beesley68E62F1CC80553DF0Mac,John Sweeney,v1.4,(aka J3)
Factored2015-04-11MadPoo 🙂68E62F1CC80553DF688Windows 64-bit,Prime95,v26,(aka We4)
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
No proof (small exponent)
2019-06-28M89093870405CADD8B3D9B8D1401953
Verified
No proof (small exponent)
2019-06-29M Graber0405CADD8B3D9B8D1250353
Verified
No proof (small exponent)
2020-04-17Oliver Kruse0405CADD8B3D9B8D1126353
History
DateUserTypeResult
2025-05-08masserNF-PP1Start=144/17, B1=2100000000, B2=2097900000000
2023-07-10-anonymous-NF-PM1B1=46000000000, B2=193133522175293700
2020-04-17Oliver KruseC-PRPM5443/2930273793047969596698853986078324244506549586319342419121 : 0405CADD8B3D9B8D
2019-06-29M GraberC-PRPM5443/2930273793047969596698853986078324244506549586319342419121 : 0405CADD8B3D9B8D
2019-06-28M8909387C-PRPM5443/2930273793047969596698853986078324244506549586319342419121 : 0405CADD8B3D9B8D
2019-06-27Ryan PropperF-ECMFactor: 2930273793047969596698853986078324244506549586319342419121
2017-06-08snme2pm1NFno factor TF: 63-64
2016-11-26-anonymous-NF-PM1B1=100000000000, B2=1000000000000, E=12
2016-05-04mikrNF-PM1B1=50000000000, B2=3200000000000, E=12
2016-02-23LaurVNFno factor TF: 57-58
2015-12-07snme2pm1NFno factor TF: 62-63
2015-07-03Sid & AndyNFno factor TF: 61-62
2015-04-11MadPoo 🙂C-LL68E62F1CC80553DF
2015-02-12JayderNF-PM1B1=2455663842, B2=157162485888, E=12
2012-09-29bcp19NFno factor TF: 60-61
2011-05-04JossNF-PM1B1=10000000000
2011-01-19monstNFno factor TF: 58-60
2003-05-19-anonymous-NF-PM1B1=1000000, B2=100000000, E=48
2003-01-16-anonymous-NF-PM1B1=4290000000
2002-12-31-anonymous-NFno factor TF: 1-57
2002-09-29-anonymous-NF-PM1B1=3221225472, B2=4290000000, E=48
2002-08-10-anonymous-NF-PM1B1=2147483648, B2=4290000000, E=48
2002-06-02-anonymous-NF-PM1B1=1073741824, B2=4290000000, E=48
2001-07-17-anonymous-NF-PM1B1=3000000000, B2=4290000000
2001-06-17-anonymous-NF-PM1B1=43000000, B2=4290000000
2001-02-11-anonymous-NF-PM1B1=1000000, B2=100000000
2000-08-10-anonymous-NFno factor TF: 1-56
2000-02-16-anonymous-NFno factor TF: 54-55
1999-12-30-anonymous-NFno factor TF: 53-54
1999-09-22-anonymous-NFno factor TF: 52-53